0. Preparation

1. Statistical Analysis for the 3D Grid

1.1. Calculate hourly/daily percentage change

1.2. Trend of volume_of_ISSR

1.3. Midnight and Noon

1.4. Ceilings and floors by months

2. Statistical Analysis for Layers/Horizontal Grids

2.1. Volume of ISSRs (%) at different pressure lavels by months

3. Latitude Analysis

4. Longitude Analysis